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Finding the Fourth Proportional to 7,474.01, 11,195.28 and 7,043.22

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Solution

The fourth proportional to 7,474.01, 11,195.28 and 7,043.22 is: 10,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.01 : 11,195.28 = 7,043.22 : x
  2. Step 2: Convert to fraction form
    7,474.01/11,195.28 = 7,043.22/x
  3. Step 3: Cross multiply
    7,474.01x = 11,195.28 × 7,043.22
  4. Step 4: Simplify right side
    7,474.01x = 78,850,820.00
  5. Step 5: Solve for x
    x = 78,850,820.00/7,474.01
  6. Step 6: Final answer
    x = 10,550.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.